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| 1 | |
These structures filter lymph fluid that is carried in the lymphatic vessels: (pp. 805-810) |
| | A) | tonsils |
| | B) | Peyer's patches |
| | C) | Hassall corpuscles of the thymus |
| | D) | lymph nodes |
| | E) | white and red pulp of the spleen |
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| 2 | |
Which of the following cells does not have phagocytic capability? (pp. 812-813) |
| | A) | eosinophils |
| | B) | basophils |
| | C) | neutrophils |
| | D) | histiocytes |
| | E) | reticular cells |
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| 3 | |
Antibodies use all of the following mechanisms to attack pathogens directly except: (p. 825) |
| | A) | agglutination |
| | B) | complement fixation |
| | C) | cell lysis |
| | D) | precipitation |
| | E) | neutralization |
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| 4 | |
Receiving gamma globulin as a treatment for rabies would be considered: (pp. 829-830) |
| | A) | an example of natural active immunity |
| | B) | an example of artificial active immunity |
| | C) | a vaccination |
| | D) | an example of artificial passive immunity |
| | E) | an example of natural passive immunity |
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| 5 | |
Natural killer cells function by lysing foreign pathogens. (pp. 812-813, 828) |
| | A) | True |
| | B) | False |
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| 6 | |
In most cases, when an infection occurs, the accompanying fever is harmful and should be treated with aspirin or ibuprofen immediately. (pp. 817-818) |
| | A) | True |
| | B) | False |
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| 7 | |
The HIV virus survives poorly outside the human body. (p. 835) |
| | A) | True |
| | B) | False |
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| 8 | |
Lymphatic vessels transport dietary lipids, tissue fluids, plasma proteins, and lymphocytes. |
| | A) | True |
| | B) | False |
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| 9 | |
Which of the following statements is incorrect? |
| | A) | Lymphatic capillaries are closed at one end. |
| | B) | Lymphatic capillaries are composed of thin epithelial cells that loosely overlap each other, creating flaps that can open and close. |
| | C) | Lymphatic capillaries fill when tissue fluid pressure is low. |
| | D) | Lymphatic capillaries are absent from cartilage, bone and brain tissue. |
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| 10 | |
Lymphatic vessels have valves. |
| | A) | True |
| | B) | False |
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| 11 | |
Which of the following structures is enclosed within a fibrous capsule? |
| | A) | peyers patch |
| | B) | lymph node |
| | C) | lymphatic nodule |
| | D) | tonsil |
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| 12 | |
Which of the following is not a function of the spleen? |
| | A) | blood reservoir and filter |
| | B) | development site for T lymphocytes |
| | C) | production of blood cells in fetus |
| | D) | detection of foreign antigens in the blood |
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| 13 | |
Which of the following inhibitors of microbial growth is a component of the perspiration on our skin? |
| | A) | keratin |
| | B) | lactic acid |
| | C) | defensin |
| | D) | mucus |
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| 14 | |
Which type of white blood cell secretes the anticoagulant heparin? |
| | A) | monocyte |
| | B) | eosinophil |
| | C) | basophil |
| | D) | neutrophil |
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| 15 | |
The four major signs of an inflammation include all of the following except |
| | A) | heat. |
| | B) | odor. |
| | C) | swelling. |
| | D) | pain. |
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| 16 | |
Histamine, bradykinin, and leukotrienes stimulate vasodilation and increased blood flow. |
| | A) | True |
| | B) | False |
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| 17 | |
Which of the following terms means to coat bacteria, making them easier to phagocytize by macrophages and neutrophils? |
| | A) | opsonization |
| | B) | complement fixation |
| | C) | pyrexia |
| | D) | MAC coating |
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| 18 | |
If you have an immunological memory of a disease, a second exposure to the same pathogen will cause no noticeable illness. |
| | A) | True |
| | B) | False |
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| 19 | |
There are five classes of antibodies. Which one can cross the placenta to provide immunological protection for the newborn? |
| | A) | IgD |
| | B) | IgE |
| | C) | IgG |
| | D) | IgM |
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| 20 | |
A virgin lymphocyte pool is a clone of B cells that have not yet been exposed to the antigens that they are "programmed" to recognize. |
| | A) | True |
| | B) | False |
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| 21 | |
After B cells mature and produce immunocompetent clones, they colonize all of the organs of the lymphatic system: the lymph nodes, spleen, bone marrow, and mucous membranes. |
| | A) | True |
| | B) | False |
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| 22 | |
B cells that have taken in a large antigen must be stimulated by a helper T cell before they can react to that antigen. |
| | A) | True |
| | B) | False |
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| 23 | |
Antibodies do not destroy antigens directly. |
| | A) | True |
| | B) | False |
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| 24 | |
The antibody type created during the quicker secondary response is mainly IgG. |
| | A) | True |
| | B) | False |
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| 25 | |
Helper T cells are also known as CD8 or T8 cells. |
| | A) | True |
| | B) | False |
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| 26 | |
Cytotoxic T cells directly attack and kill all of the following except |
| | A) | cancerous cells. |
| | B) | cells of transplanted organs. |
| | C) | bacteria. |
| | D) | host cells infected with parasites. |
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| 27 | |
An injection of gamma globulin is an example of which of the following classes of immunity? |
| | A) | natural active immunity |
| | B) | artificial active immunity |
| | C) | natural passive immunity |
| | D) | artificial passive immunity |
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| 28 | |
Which of the following is a false statement concerning Type I hypersensitivity reactions? |
| | A) | Anaphylactic shock occurs when an allergen such as bee venom is introduced into the bloodstream. |
| | B) | Asthma victims are reacting only to inhaled allergens. |
| | C) | Symptoms occurring during both asthma and anaphylactic shock are due to an excessive release of histamine. |
| | D) | Acetylcholine relieves these symptoms by dilating bronchioles and increasing cardiac output. |
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| 29 | |
Which of the four classes of hypersensitivity is a cellular immune response, and not a humoral immune response? |
| | A) | Type I |
| | B) | Type II |
| | C) | Type III |
| | D) | Type IV |
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| 30 | |
The human immunodeficiency virus can be transmitted from person to person by all of the following means except |
| | A) | sexual intercours—vaginal, anal or oral. |
| | B) | "blood-" contaminated needles. |
| | C) | through the placenta during childbirth or by breastfeeding. |
| | D) | by donating blood at the Red Cross. |
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| 31 | |
Outside the body, HIV is easily destroyed by disinfectants such as bleach, Lysol, and rubbing alcohol. |
| | A) | True |
| | B) | False |
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| 32 | |
Lymph flows primarily because of this force: |
| | A) | greater tissue pressure |
| | B) | contractions of the vessels |
| | C) | skeletal pump |
| | D) | arterial pulsations |
| | E) | respiratory pump |
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| 33 | |
All of the following are functions of the spleen except: |
| | A) | blood reservoir |
| | B) | wrecking yard for old red blood cells |
| | C) | produces blood cells in the fetus |
| | D) | produces bile |
| | E) | removes bacteria from blood |
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| 34 | |
This type of leukocyte produces enzymes that will create hydrogen peroxide to kill bacteria: |
| | A) | neutrophils |
| | B) | eosinophils |
| | C) | basophils |
| | D) | lymphocytes |
| | E) | monocytes |
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| 35 | |
This type of macrophage lines the sinusoids of the liver: |
| | A) | hepatic macrophages |
| | B) | alveolar macrophages |
| | C) | microglia |
| | D) | Langerhans cells |
| | E) | histiocytes |
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| 36 | |
Which of the following increases vasodilation? |
| | A) | histamine |
| | B) | lymnphokines |
| | C) | platelet derived growth factor |
| | D) | leukocytosis promoting factor |
| | E) | clotting factors |
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| 37 | |
When a white blood cell manages to ooze through the gap between two endothelial cells on its way to attack an invader, we say it has exhibited: |
| | A) | margination |
| | B) | phagocytosis |
| | C) | chemotaxis |
| | D) | adhesion |
| | E) | diapedesis |
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| 38 | |
Interferons have this function: |
| | A) | stimulate neighboring cells to produce antiviral proteins |
| | B) | enhance phagocytosis of bacteria |
| | C) | encourage basophil secretions |
| | D) | cause target cell rupture |
| | E) | bind with foreign antigens |
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| 39 | |
If you were inoculated with hepatitis A vaccine, a population of this type of cell would begin to make the appropriate antibody: |
| | A) | neutrophils |
| | B) | helper T lymphocytes |
| | C) | B lymphocytes |
| | D) | cytotoxic T lymphocytes |
| | E) | natural killers |
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| 40 | |
Infected cells of the pancreas would display a foreign antigen fragment on a/an: |
| | A) | complement 3b |
| | B) | immunoglobulin A |
| | C) | MAC membrane complex |
| | D) | MHC I |
| | E) | MHC II |
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| 41 | |
These cells recognize non-self antigens and produce lymphokines to stimulate the cells that actually make the antibodies: |
| | A) | cytotoxic T |
| | B) | helper T |
| | C) | suppressor T |
| | D) | natural killers |
| | E) | memory T |
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| 42 | |
Which of the following attacks a virus-infected cell by secreting perforin? |
| | A) | cytotoxic T |
| | B) | helper T |
| | C) | suppressor T |
| | D) | plasma B |
| | E) | memory T |
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| 43 | |
HIV attaches to the CD-4 membrane protein of these cells: |
| | A) | memory T |
| | B) | natural killers |
| | C) | suppressor T |
| | D) | cytotoxic T |
| | E) | helper T |
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